An error occurs during autotune on IonStudio

General discussion of using Roboclaw motor controllers
Hidaka
Posts: 6
Joined: Fri Nov 30, 2018 3:39 am

An error occurs during autotune on IonStudio

Postby Hidaka » Fri Nov 30, 2018 3:55 am

Hello,

I am using RoboClaw 2 × 15A.
I tried autotune of PID coefficient in IonMotionStudio,
If PWM Mode of motor 1 is set to Locked Antiphase, I press Autotune button, motor1 does not stop until power off.
In motor 2, on the contrary, autotune can not be done when Sign Magnitude is set.

Thank you
Hidaka

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Basicmicro Support
Posts: 1077
Joined: Thu Feb 26, 2015 9:45 pm

Re: An error occurs during autotune on IonStudio

Postby Basicmicro Support » Fri Nov 30, 2018 10:18 am

1. Before you can autotune a motor you need to make sure hte encoder is moving in the positive direction when the motor is moving forward(eg the PWM slider moved up is forward).
2. I have not tested this in a while but Sign magnitude mode may be reversed relative to Locked Antiphase. So when you change the PWM mode you need to check the encoders relative direction to each motor.

If you wait till later next week we are releasing a version of Motion Studio that will automatically warn the motor direction relative to the encoder direction is wrong and stops the auto tune process.


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